<ion-header>

  <ion-navbar color="headerColor">
    <ion-title>系统设置</ion-title>
  </ion-navbar>

</ion-header>


<ion-content padding class="bg-color">

  <ion-list class="top-list">
    <button ion-item (tap)="cleanStorage()">清除缓存</button>
  </ion-list>
</ion-content>
